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Package · Go

github.com/gofiber/fiber/v3

8 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.5
    CVE-2026-25899

    Fiber is Vulnerable to Denial of Service via Flash Cookie Unbounded Allocation

    Fiber is an Express inspired web framework written in Go. In versions on the v3 branch prior to 3.1.0, the use of the `fiber_flash` cookie can force an unbounded allocation on any server. A crafted 10-character cookie value triggers an attempt to allocate up …

    gofiber fiber github.com/gofiber/fiber/v3 Go
  • High 7.7
    CVE-2026-25891

    Fiber has an Arbitrary File Read in Static Middleware on Windows

    Fiber is an Express inspired web framework written in Go. A Path Traversal (CWE-22) vulnerability in Fiber allows a remote attacker to bypass the static middleware sanitizer and read arbitrary files on the server file system on Windows. This affects Fiber v3 …

    gofiber fiber github.com/gofiber/fiber/v3 Go